About
Bloom is made at Spatie, a web development company in Antwerp, Belgium. Two of us write it: Freek Van der Herten, who co-founded the place, and his colleague Alex Vanderbist. Why it exists is Freek’s story, so the rest of this page is him telling it.
I spent years working in Ghostty with a wall of tabs. Then I tried Conductor, and the worktree idea landed: every agent in its own directory, on its own branch, unable to save over the others. That was the answer to the problem I actually had.
What I still wanted was a Mac app. You can always tell when something is not really native, and I did not want to feel that in the window I sit in all day. Building your own tools used to be hard to justify. It is not any more, so we wrote one.
Alex and I use it all day while we build it, which is how we find most of what’s wrong with it.
There are plenty of other ways to do this, and they are good. Conductor, Polyscope, OpenCode, Amp and Soloterm are all worth your time, and there is nothing wrong with any of them. A tool you sit in all day has to fit your personality though, and that is a hard thing to find in somebody else’s. I also just like building things, and this looked like a good one to take on.
It’s free, and it is staying free. There is no paid tier coming and nothing to upsell you: we are not trying to make money from this. It is the same as our open source work, which we have given away for years to people who never send anything back, and that has worked out fine. Bloom is not open source yet, and we may well do that later.
There is a Submit a Prompt item in Bloom’s Help menu, and we read everything that comes through it. If you ask for something we want ourselves, we will probably build it.
Everything else Spatie makes, open source and otherwise, is at spatie.be. Bloom itself is a download away.